package com.sky.controller.admin;

import com.sky.constant.StatusConstant;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.service.OrderService;
import com.sky.vo.DishVO;
import com.sky.vo.OrderStatisticsVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/**
 * 菜品 管理
 */
@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品管理接口")
@Slf4j
public class DishController {
    @Autowired
    private DishService dishService;

    @Autowired
    private StringRedisTemplate stringRedisTemplate;

    @Autowired
    private OrderService orderService;



    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品：{}", dishDTO);
        dishService.saveWithFlavor(dishDTO);
        //删除缓存数据
        String key="dish_id"+dishDTO.getCategoryId();
        String dishJS = stringRedisTemplate.opsForValue().get(key);
        if (dishJS != null) {
            stringRedisTemplate.delete(key);
        }
        return Result.success();
    }

    /**
     * 菜品分页查询
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询：{}", dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }
    /**
     * 批量删除菜品
     * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation("删除菜品")
    public Result delete(@RequestParam List<Long> ids){
        log.info("删除菜品：{}", ids);
        dishService.delete(ids);
        //删除缓存数据
        cleanCache("dish_id*");
        return Result.success();
    }

    /**
     * 查询菜品
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("查询菜品")
    public Result<DishVO> query(@PathVariable Long id){
        log.info("查询菜品：{}", id);
        DishVO dishVO = dishService.queryByIdWithFlavors(id);
        return Result.success(dishVO);
    }

    /**
     * 修改菜品
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation("修改菜品")
    public Result updateWithFlavors(@RequestBody DishDTO dishDTO){
        log.info("修改菜品：{}", dishDTO);
        dishService.updateWithFlavors(dishDTO);
        return Result.success();
    }


    @PostMapping("/status/{status}")
    @ApiOperation("启用禁用菜品")
    public Result<String> startOrStop(@PathVariable Integer status, Long id){
        log.info("启用禁用菜品：{}", id);
        dishService.startOrStop(status,id);

        cleanCache("dish_id*");
        return Result.success();
    }

    /**
     * 清理缓存
     * @param pattern
     */
    private void cleanCache(String pattern) {
        Set<String> keys = stringRedisTemplate.keys(pattern);
        stringRedisTemplate.delete(keys);
    }

    /**
     * 根据分类id查询菜品
     *
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<DishVO>> list(Long categoryId) {
        Dish dish = new Dish();
        dish.setCategoryId(categoryId);
        dish.setStatus(StatusConstant.ENABLE);//查询起售中的菜品

        List<DishVO> list = dishService.listWithFlavor(dish);

        return Result.success(list);
    }


}
